Singles nation: Why so many Americans are unmarried . Singles now outnumber married adults in the US. What's behind that social shift – and why it matters.

CS Monitor reports:

Last year, for the first time, the number of unmarried American adults outnumbered those who were married. One in 7 lives alone – about 31 million compared with 4 million in 1950 – and many of those are clustered in urban centers.

The outcome of the welfare-warfare state.